4MA1/2F Jun 2018, Question 1: Converting Decimals to Fractions

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2F (Foundation) · Calculator · 4 marks

The question, in short

Four short conversion tasks: change a decimal to a fraction, round a large number to the nearest 100, round a decimal to 1 decimal place, and convert a decimal to a percentage.

Summarised in our own words. Use the official paper for the exact wording and any diagrams.

Part (a) · 1 mark

Express 0.63 as a fraction.

10.63 = 63 ÷ 100
263/100

Answer63/100

Part (b) · 1 mark

Round 46 821 to the nearest 100.

1Look at the tens digit in 46821, which is 2
22 < 5, so round down
346800

Answer46800

Part (c) · 1 mark

Round 73.654 to 1 decimal place.

1Look at the second decimal place: 5
25 ≥ 5, so round up the first decimal place
373.6 becomes 73.7

Answer73.7

Part (d) · 1 mark

Write 0.09 as a percentage.

10.09 × 100 = 9
29%

Answer9

Stuck on a step? Read the free lesson: Converting Decimals to Fractions

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